David P.G
1a666b79c8
2. 更新了 SettingViewModel 以包含对轮询间隔设置的支持，允许用户在设置页面中修改该值 3. 修改了 VariableItemViewModel，使其在初始化时从 AppSettings 加载默认轮询间隔值 4. 更新了 SettingView.xaml，在设置页面的"通用设置"部分添加了轮询间隔配置项
88 lines
3.1 KiB
C#
88 lines
3.1 KiB
C#
// 文件: DMS.WPF/ViewModels/SplashViewModel.cs
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using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Input;
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using DMS.Application.Interfaces;
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using DMS.WPF.Services;
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using System;
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using System.Data;
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using System.Threading.Tasks;
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using DMS.Application.Services;
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using DMS.Infrastructure.Configurations;
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using DMS.WPF.Helper;
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using DMS.WPF.Interfaces;
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using DMS.WPF.Views;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Logging;
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namespace DMS.WPF.ViewModels;
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/// <summary>
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/// 启动加载窗口的ViewModel。
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/// </summary>
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public partial class SplashViewModel : ObservableObject
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{
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private readonly ILogger<SplashViewModel> _logger;
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private readonly IServiceProvider _serviceProvider;
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private readonly IInitializeService _initializeService;
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private readonly IDataEventService _dataEventService;
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private readonly IAppDataCenterService _appDataCenterService;
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private readonly AppSettings _appSettings;
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[ObservableProperty]
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private string _loadingMessage = "正在加载...";
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public SplashViewModel(ILogger<SplashViewModel> logger,IServiceProvider serviceProvider, IInitializeService initializeService,IDataEventService dataEventService,
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IAppDataCenterService appDataCenterService,AppSettings appSettings)
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{
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_logger = logger;
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_serviceProvider = serviceProvider;
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_initializeService = initializeService;
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_dataEventService = dataEventService;
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this._appDataCenterService = appDataCenterService;
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_appSettings = appSettings;
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}
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/// <summary>
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/// 开始执行初始化任务。
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/// </summary>
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public async Task<bool> InitializeAsync()
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{
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try
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{
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_logger.LogInformation("正在初始化数据库...");
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LoadingMessage = "正在初始化数据库...";
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_initializeService.InitializeTables();
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_initializeService.InitializeMenus();
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LoadingMessage = "正在加载系统配置...";
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await _appDataCenterService.DataLoaderService.LoadAllDataToMemoryAsync();
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// 可以在这里添加加载配置的逻辑
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await Task.Delay(500); // 模拟耗时
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LoadingMessage = "正在连接后台服务...";
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// 可以在这里添加连接服务的逻辑
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await Task.Delay(500); // 模拟耗时
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LoadingMessage = "加载完成，正在启动主界面...";
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await Task.Delay(500);
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// 初始化完成，显示主窗口
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var mainView = App.Current.Services.GetRequiredService<MainView>();
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// 将 MainView 设置为新的主窗口
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App.Current.MainWindow = mainView;
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mainView.Show();
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return true;
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}
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catch (Exception ex)
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{
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// 处理初始化过程中的异常
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LoadingMessage = $"初始化失败: {ex.Message}";
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_logger.LogError(ex,$"初始化失败: {ex}");
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// 在此可以记录日志或显示错误对话框
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return false;
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}
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}
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} |